initial import of NetBSD tree

1 files changed, 544 insertions, 0 deletions

diff --git a/games/hack/hack.read.c b/games/hack/hack.read.c
new file mode 100644
index 00000000000..7fbbf8a7e33
--- /dev/null
+++ b/games/hack/hack.read.c
@@ -0,0 +1,544 @@
+/*
+ * Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
+ */
+
+#ifndef lint
+static char rcsid[] = "$NetBSD: hack.read.c,v 1.3 1995/03/23 08:31:22 cgd Exp $";
+#endif /* not lint */
+
+#include "hack.h"
+
+extern struct monst *makemon();
+extern struct obj *mkobj_at();
+int identify();
+
+doread() {
+	register struct obj *scroll;
+	register boolean confused = (Confusion != 0);
+	register boolean known = FALSE;
+	extern struct obj *some_armor();
+
+	scroll = getobj("?", "read");
+	if(!scroll) return(0);
+	if(!scroll->dknown && Blind) {
+	    pline("Being blind, you cannot read the formula on the scroll.");
+	    return(0);
+	}
+	if(Blind)
+	  pline("As you pronounce the formula on it, the scroll disappears.");
+	else
+	  pline("As you read the scroll, it disappears.");
+	if(confused)
+	  pline("Being confused, you mispronounce the magic words ... ");
+
+	switch(scroll->otyp) {
+#ifdef MAIL
+	case SCR_MAIL:
+		readmail(/* scroll */);
+		break;
+#endif MAIL
+	case SCR_ENCHANT_ARMOR:
+	    {	register struct obj *otmp = some_armor();
+		if(!otmp) {
+			strange_feeling(scroll,"Your skin glows then fades.");
+			return(1);
+		}
+		if(confused) {
+			pline("Your %s glows silver for a moment.",
+				objects[otmp->otyp].oc_name);
+			otmp->rustfree = 1;
+			break;
+		}
+		if(otmp->spe > 3 && rn2(otmp->spe)) {
+	pline("Your %s glows violently green for a while, then evaporates.",
+			objects[otmp->otyp].oc_name);
+			useup(otmp);
+			break;
+		}
+		pline("Your %s glows green for a moment.",
+			objects[otmp->otyp].oc_name);
+		otmp->cursed = 0;
+		otmp->spe++;
+		break;
+	    }
+	case SCR_DESTROY_ARMOR:
+		if(confused) {
+			register struct obj *otmp = some_armor();
+			if(!otmp) {
+				strange_feeling(scroll,"Your bones itch.");
+				return(1);
+			}
+			pline("Your %s glows purple for a moment.",
+				objects[otmp->otyp].oc_name);
+			otmp->rustfree = 0;
+			break;
+		}
+		if(uarm) {
+		    pline("Your armor turns to dust and falls to the floor!");
+		    useup(uarm);
+		} else if(uarmh) {
+		    pline("Your helmet turns to dust and is blown away!");
+		    useup(uarmh);
+		} else if(uarmg) {
+			pline("Your gloves vanish!");
+			useup(uarmg);
+			selftouch("You");
+		} else {
+			strange_feeling(scroll,"Your skin itches.");
+			return(1);
+		}
+		break;
+	case SCR_CONFUSE_MONSTER:
+		if(confused) {
+			pline("Your hands begin to glow purple.");
+			Confusion += rnd(100);
+		} else {
+			pline("Your hands begin to glow blue.");
+			u.umconf = 1;
+		}
+		break;
+	case SCR_SCARE_MONSTER:
+	    {	register int ct = 0;
+		register struct monst *mtmp;
+
+		for(mtmp = fmon; mtmp; mtmp = mtmp->nmon)
+			if(cansee(mtmp->mx,mtmp->my)) {
+				if(confused)
+					mtmp->mflee = mtmp->mfroz =
+					mtmp->msleep = 0;
+				else
+					mtmp->mflee = 1;
+				ct++;
+			}
+		if(!ct) {
+		    if(confused)
+			pline("You hear sad wailing in the distance.");
+		    else
+			pline("You hear maniacal laughter in the distance.");
+		}
+		break;
+	    }
+	case SCR_BLANK_PAPER:
+		if(confused)
+		    pline("You see strange patterns on this scroll.");
+		else
+		    pline("This scroll seems to be blank.");
+		break;
+	case SCR_REMOVE_CURSE:
+	    {	register struct obj *obj;
+		if(confused)
+		  pline("You feel like you need some help.");
+		else
+		  pline("You feel like someone is helping you.");
+		for(obj = invent; obj ; obj = obj->nobj)
+			if(obj->owornmask)
+				obj->cursed = confused;
+		if(Punished && !confused) {
+			Punished = 0;
+			freeobj(uchain);
+			unpobj(uchain);
+			free((char *) uchain);
+			uball->spe = 0;
+			uball->owornmask &= ~W_BALL;
+			uchain = uball = (struct obj *) 0;
+		}
+		break;
+	    }
+	case SCR_CREATE_MONSTER:
+	    {	register int cnt = 1;
+
+		if(!rn2(73)) cnt += rnd(4);
+		if(confused) cnt += 12;
+		while(cnt--)
+		    (void) makemon(confused ? PM_ACID_BLOB :
+			(struct permonst *) 0, u.ux, u.uy);
+		break;
+	    }
+	case SCR_ENCHANT_WEAPON:
+		if(uwep && confused) {
+			pline("Your %s glows silver for a moment.",
+				objects[uwep->otyp].oc_name);
+			uwep->rustfree = 1;
+		} else
+			if(!chwepon(scroll, 1))		/* tests for !uwep */
+				return(1);
+		break;
+	case SCR_DAMAGE_WEAPON:
+		if(uwep && confused) {
+			pline("Your %s glows purple for a moment.",
+				objects[uwep->otyp].oc_name);
+			uwep->rustfree = 0;
+		} else
+			if(!chwepon(scroll, -1))	/* tests for !uwep */
+				return(1);
+		break;
+	case SCR_TAMING:
+	    {	register int i,j;
+		register int bd = confused ? 5 : 1;
+		register struct monst *mtmp;
+
+		for(i = -bd; i <= bd; i++) for(j = -bd; j <= bd; j++)
+		if(mtmp = m_at(u.ux+i, u.uy+j))
+			(void) tamedog(mtmp, (struct obj *) 0);
+		break;
+	    }
+	case SCR_GENOCIDE:
+	    {	extern char genocided[], fut_geno[];
+		char buf[BUFSZ];
+		register struct monst *mtmp, *mtmp2;
+
+		pline("You have found a scroll of genocide!");
+		known = TRUE;
+		if(confused)
+			*buf = u.usym;
+		else do {
+	    pline("What monster do you want to genocide (Type the letter)? ");
+			getlin(buf);
+		} while(strlen(buf) != 1 || !monstersym(*buf));
+		if(!index(fut_geno, *buf))
+			charcat(fut_geno, *buf);
+		if(!index(genocided, *buf))
+			charcat(genocided, *buf);
+		else {
+			pline("Such monsters do not exist in this world.");
+			break;
+		}
+		for(mtmp = fmon; mtmp; mtmp = mtmp2){
+			mtmp2 = mtmp->nmon;
+			if(mtmp->data->mlet == *buf)
+				mondead(mtmp);
+		}
+		pline("Wiped out all %c's.", *buf);
+		if(*buf == u.usym) {
+			killer = "scroll of genocide";
+			u.uhp = -1;
+		}
+		break;
+		}
+	case SCR_LIGHT:
+		if(!Blind) known = TRUE;
+		litroom(!confused);
+		break;
+	case SCR_TELEPORTATION:
+		if(confused)
+			level_tele();
+		else {
+#ifdef QUEST
+			register int oux = u.ux, ouy = u.uy;
+			tele();
+			if(dist(oux, ouy) > 100) known = TRUE;
+#else QUEST
+			register int uroom = inroom(u.ux, u.uy);
+			tele();
+			if(uroom != inroom(u.ux, u.uy)) known = TRUE;
+#endif QUEST
+		}
+		break;
+	case SCR_GOLD_DETECTION:
+	    /* Unfortunately this code has become slightly less elegant,
+	       now that gold and traps no longer are of the same type. */
+	    if(confused) {
+		register struct trap *ttmp;
+
+		if(!ftrap) {
+			strange_feeling(scroll, "Your toes stop itching.");
+			return(1);
+		} else {
+			for(ttmp = ftrap; ttmp; ttmp = ttmp->ntrap)
+				if(ttmp->tx != u.ux || ttmp->ty != u.uy)
+					goto outtrapmap;
+			/* only under me - no separate display required */
+			pline("Your toes itch!");
+			break;
+		outtrapmap:
+			cls();
+			for(ttmp = ftrap; ttmp; ttmp = ttmp->ntrap)
+				at(ttmp->tx, ttmp->ty, '$');
+			prme();
+			pline("You feel very greedy!");
+		}
+	    } else {
+		register struct gold *gtmp;
+
+		if(!fgold) {
+			strange_feeling(scroll, "You feel materially poor.");
+			return(1);
+		} else {
+			known = TRUE;
+			for(gtmp = fgold; gtmp; gtmp = gtmp->ngold)
+				if(gtmp->gx != u.ux || gtmp->gy != u.uy)
+					goto outgoldmap;
+			/* only under me - no separate display required */
+			pline("You notice some gold between your feet.");
+			break;
+		outgoldmap:
+			cls();
+			for(gtmp = fgold; gtmp; gtmp = gtmp->ngold)
+				at(gtmp->gx, gtmp->gy, '$');
+			prme();
+			pline("You feel very greedy, and sense gold!");
+		}
+	    }
+		/* common sequel */
+		more();
+		docrt();
+		break;
+	case SCR_FOOD_DETECTION:
+	    {	register ct = 0, ctu = 0;
+		register struct obj *obj;
+		register char foodsym = confused ? POTION_SYM : FOOD_SYM;
+
+		for(obj = fobj; obj; obj = obj->nobj)
+			if(obj->olet == FOOD_SYM) {
+				if(obj->ox == u.ux && obj->oy == u.uy) ctu++;
+				else ct++;
+			}
+		if(!ct && !ctu) {
+			strange_feeling(scroll,"Your nose twitches.");
+			return(1);
+		} else if(!ct) {
+			known = TRUE;
+			pline("You smell %s close nearby.",
+				confused ? "something" : "food");
+			
+		} else {
+			known = TRUE;
+			cls();
+			for(obj = fobj; obj; obj = obj->nobj)
+			    if(obj->olet == foodsym)
+				at(obj->ox, obj->oy, FOOD_SYM);
+			prme();
+			pline("Your nose tingles and you smell %s!",
+				confused ? "something" : "food");
+			more();
+			docrt();
+		}
+		break;
+	    }
+	case SCR_IDENTIFY:
+		/* known = TRUE; */
+		if(confused)
+			pline("You identify this as an identify scroll.");
+		else
+			pline("This is an identify scroll.");
+		useup(scroll);
+		objects[SCR_IDENTIFY].oc_name_known = 1;
+		if(!confused)
+		    while(
+			!ggetobj("identify", identify, rn2(5) ? 1 : rn2(5))
+			&& invent
+		    );
+		return(1);
+	case SCR_MAGIC_MAPPING:
+	    {	register struct rm *lev;
+		register int num, zx, zy;
+
+		known = TRUE;
+		pline("On this scroll %s a map!",
+			confused ? "was" : "is");
+		for(zy = 0; zy < ROWNO; zy++)
+			for(zx = 0; zx < COLNO; zx++) {
+				if(confused && rn2(7)) continue;
+				lev = &(levl[zx][zy]);
+				if((num = lev->typ) == 0)
+					continue;
+				if(num == SCORR) {
+					lev->typ = CORR;
+					lev->scrsym = CORR_SYM;
+				} else
+				if(num == SDOOR) {
+					lev->typ = DOOR;
+					lev->scrsym = '+';
+					/* do sth in doors ? */
+				} else if(lev->seen) continue;
+#ifndef QUEST
+				if(num != ROOM)
+#endif QUEST
+				{
+				  lev->seen = lev->new = 1;
+				  if(lev->scrsym == ' ' || !lev->scrsym)
+				    newsym(zx,zy);
+				  else
+				    on_scr(zx,zy);
+				}
+			}
+		break;
+	    }
+	case SCR_AMNESIA:
+	    {	register int zx, zy;
+
+		known = TRUE;
+		for(zx = 0; zx < COLNO; zx++) for(zy = 0; zy < ROWNO; zy++)
+		    if(!confused || rn2(7))
+			if(!cansee(zx,zy))
+			    levl[zx][zy].seen = 0;
+		docrt();
+		pline("Thinking of Maud you forget everything else.");
+		break;
+	    }
+	case SCR_FIRE:
+	    {	register int num;
+		register struct monst *mtmp;
+
+		known = TRUE;
+		if(confused) {
+		    pline("The scroll catches fire and you burn your hands.");
+		    losehp(1, "scroll of fire");
+		} else {
+		    pline("The scroll erupts in a tower of flame!");
+		    if(Fire_resistance)
+			pline("You are uninjured.");
+		    else {
+			num = rnd(6);
+			u.uhpmax -= num;
+			losehp(num, "scroll of fire");
+		    }
+		}
+		num = (2*num + 1)/3;
+		for(mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
+		    if(dist(mtmp->mx,mtmp->my) < 3) {
+			mtmp->mhp -= num;
+			if(index("FY", mtmp->data->mlet))
+			    mtmp->mhp -= 3*num;	/* this might well kill 'F's */
+			if(mtmp->mhp < 1) {
+			    killed(mtmp);
+			    break;		/* primitive */
+			}
+		    }
+		}
+		break;
+	    }
+	case SCR_PUNISHMENT:
+		known = TRUE;
+		if(confused) {
+			pline("You feel guilty.");
+			break;
+		}
+		pline("You are being punished for your misbehaviour!");
+		if(Punished){
+			pline("Your iron ball gets heavier.");
+			uball->owt += 15;
+			break;
+		}
+		Punished = INTRINSIC;
+		setworn(mkobj_at(CHAIN_SYM, u.ux, u.uy), W_CHAIN);
+		setworn(mkobj_at(BALL_SYM, u.ux, u.uy), W_BALL);
+		uball->spe = 1;		/* special ball (see save) */
+		break;
+	default:
+		impossible("What weird language is this written in? (%u)",
+			scroll->otyp);
+	}
+	if(!objects[scroll->otyp].oc_name_known) {
+		if(known && !confused) {
+			objects[scroll->otyp].oc_name_known = 1;
+			more_experienced(0,10);
+		} else if(!objects[scroll->otyp].oc_uname)
+			docall(scroll);
+	}
+	useup(scroll);
+	return(1);
+}
+
+identify(otmp)		/* also called by newmail() */
+register struct obj *otmp;
+{
+	objects[otmp->otyp].oc_name_known = 1;
+	otmp->known = otmp->dknown = 1;
+	prinv(otmp);
+	return(1);
+}
+
+litroom(on)
+register boolean on;
+{
+	register num,zx,zy;
+
+	/* first produce the text (provided he is not blind) */
+	if(Blind) goto do_it;
+	if(!on) {
+		if(u.uswallow || !xdnstair || levl[u.ux][u.uy].typ == CORR ||
+		    !levl[u.ux][u.uy].lit) {
+			pline("It seems even darker in here than before.");
+			return;
+		} else
+			pline("It suddenly becomes dark in here.");
+	} else {
+		if(u.uswallow){
+			pline("%s's stomach is lit.", Monnam(u.ustuck));
+			return;
+		}
+		if(!xdnstair){
+			pline("Nothing Happens.");
+			return;
+		}
+#ifdef QUEST
+		pline("The cave lights up around you, then fades.");
+		return;
+#else QUEST
+		if(levl[u.ux][u.uy].typ == CORR) {
+		    pline("The corridor lights up around you, then fades.");
+		    return;
+		} else if(levl[u.ux][u.uy].lit) {
+		    pline("The light here seems better now.");
+		    return;
+		} else
+		    pline("The room is lit.");
+#endif QUEST
+	}
+
+do_it:
+#ifdef QUEST
+	return;
+#else QUEST
+	if(levl[u.ux][u.uy].lit == on)
+		return;
+	if(levl[u.ux][u.uy].typ == DOOR) {
+		if(IS_ROOM(levl[u.ux][u.uy+1].typ)) zy = u.uy+1;
+		else if(IS_ROOM(levl[u.ux][u.uy-1].typ)) zy = u.uy-1;
+		else zy = u.uy;
+		if(IS_ROOM(levl[u.ux+1][u.uy].typ)) zx = u.ux+1;
+		else if(IS_ROOM(levl[u.ux-1][u.uy].typ)) zx = u.ux-1;
+		else zx = u.ux;
+	} else {
+		zx = u.ux;
+		zy = u.uy;
+	}
+	for(seelx = u.ux; (num = levl[seelx-1][zy].typ) != CORR && num != 0;
+		seelx--);
+	for(seehx = u.ux; (num = levl[seehx+1][zy].typ) != CORR && num != 0;
+		seehx++);
+	for(seely = u.uy; (num = levl[zx][seely-1].typ) != CORR && num != 0;
+		seely--);
+	for(seehy = u.uy; (num = levl[zx][seehy+1].typ) != CORR && num != 0;
+		seehy++);
+	for(zy = seely; zy <= seehy; zy++)
+		for(zx = seelx; zx <= seehx; zx++) {
+			levl[zx][zy].lit = on;
+			if(!Blind && dist(zx,zy) > 2)
+				if(on) prl(zx,zy); else nosee(zx,zy);
+		}
+	if(!on) seehx = 0;
+#endif	QUEST
+}
+
+/* Test whether we may genocide all monsters with symbol  ch  */
+monstersym(ch)				/* arnold@ucsfcgl */
+register char ch;
+{
+	register struct permonst *mp;
+	extern struct permonst pm_eel;
+
+	/*
+	 * can't genocide certain monsters
+	 */
+	if (index("12 &:", ch))
+		return FALSE;
+
+	if (ch == pm_eel.mlet)
+		return TRUE;
+	for (mp = mons; mp < &mons[CMNUM+2]; mp++)
+		if (mp->mlet == ch)
+			return TRUE;
+	return FALSE;
+}